CVE-2022-23990: libexpat before 2.4.4 (exclusive); +9 more affected products

Affected technology

libexpat · before 2.4.4 (exclusive)
libexpat project

nessus · before 8.15.3 (exclusive)
tenable

nessus · from 10.0.0 (inclusive), before 10.1.1 (exclusive)
tenable

communications metasolv solution · 6.3.1
oracle

debian linux · 10.0
debian

debian linux · 11.0
debian

fedora · 34
fedoraproject

fedora · 35
fedoraproject

sinema remote connect server · before 3.1 (exclusive)
siemens

n/a · n/a
Vendor not specified by the source

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

Description’s affected range: before 2.4.4

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.